Con-verse: The Con-Verse, created by Connie Marcum Wong, consists of three or more 2-line rhyming stanzas (couplets). The meter of this form is in syllabic verse.Rhyme scheme: aa,bb,cc,dd,eeMeter: 7,7,8,8,9,9,10,10,11,11
For more details kindly check out the following site.

Cinquain – Cinquain is a short, usually unrhymed poem consisting of twenty-two syllables distributed as 2, 4, 6, 8, 2, in five lines. It was developed by the Imagist poet, Adelaide Crapsey. For more details on a Cinquain you could look up this site.

NaiSaiKu – A NaiSaiKu is usually two Haiku length stanzas with a capitalised title sandwiched between them.The second stanza is usually a reverse of the first. For more information on NaiSaiKu kindly check the following site.

Quatern – A Quatern is a sixteen line French form composed of four quatrains. It is similar to the Kyrielle and the Retourne. It has a refrain that is in a different place in each quatrain. The first line of stanza one is the second line of stanza two, third line of stanza three, and fourth line of stanza four. A quatern has eight syllables per line. For further details on a Quatern, kindly check this link.